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United States Patent | 6,140,019 |
Sakurai ,   et al. | October 31, 2000 |
A radiation sensitive composition comprising (A) a colorant containing a quinacridone pigment, a mixture of an isoindolinone pigment and a yellow organic pigment or a mixture of copper phthalocyanine blue and a green pigment, (B) an alkali-soluble resin, (C) a polyfunctional monomer and (D) a photopolymerization initiator. The composition is useful for production of an additive or subtractive color filter which is used in a reflection-type color liquid crystal display device.
Inventors: | Sakurai; Kouichi (Yokkaichi, JP); Nemoto; Hiroaki (Yokkaichi, JP); Kumano; Atsushi (Yokkaichi, JP) |
Assignee: | JSR Corporation (Tokyo, JP) |
Appl. No.: | 120883 |
Filed: | July 23, 1998 |
Jul 24, 1997[JP] | 9-212711 | |
Aug 26, 1997[JP] | 9-243568 | |
Aug 27, 1997[JP] | 9-244854 | |
Sep 25, 1997[JP] | 9-276630 |
Current U.S. Class: | 430/288.1; 430/143; 430/176; 430/188; 430/190; 430/192; 430/195; 430/196; 430/284.1; 430/285.1 |
Intern'l Class: | G03F 007/027; G02B 005/22 |
Field of Search: | 430/288.1,285.1,284.1,143,176,188,190,192,195,196 522/75 |
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